3356878

Information

• Patent Grant
• 3356878

• References
• Source

• Patent Number

  3,356,878

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1967
  57 years ago

• CPC

  • H01J31/64 - on opposite sides of screen

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems